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Beckhoff BK9105 EtherNet/IP Bus Coupler, 2x RJ45 (10/100 Mbit/s), 492 In/492 Out, 24V DC, 51×100×69 mm
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$555.00 USD
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$555.00 USD
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Overview
The Beckhoff BK9105 connects EtherNet/IP™ networks to modular Bus Terminals. It includes an integrated 3‑port switch with two external RJ45 ports, enabling line or star topologies and simplifying wiring. The coupler auto‑detects 10/100 Mbit/s speeds, maps up to 64 terminals (255 with K‑bus extension), and supports a large process image of 492 bytes input and 492 bytes output.
Key Features
- EtherNet/IP™ (CIP over TCP/UDP/IP); auto 10/100 Mbit/s
- Integrated switch: 2 × RJ45 ports for line or star topologies
- Process image: up to 492 bytes input and 492 bytes output
- Supports 64 Bus Terminals (255 with K‑bus extension)
- DHCP capable; IP also settable via DIP switch (offset from start address)
- Distance: 100 m between couplers/switches; up to 20 couplers cascadable (~2 km total)
- 24 V DC supply; K‑bus current 1,750 mA; 500 V isolation
Specifications
| Model | BK9105 EtherNet/IP™ Bus Coupler |
| Bus Terminals Supported | 64 (255 with K‑bus extension) |
| Process Image | 492 bytes input and 492 bytes output |
| Ethernet Interface | 2 × RJ45 (integrated 3‑port switch) |
| Data Rates | 10/100 Mbit/s, automatic recognition |
| Topology / Distance | Line or star; 100 m between couplers/switch; up to 20 couplers cascadable |
| Power Supply | 24 V DC (−15%/+20%); input current 70 mA + (Σ K‑bus current)/4, max 500 mA |
| K‑bus Current Supply | 1,750 mA |
| Power Contacts | Max. 24 V DC / 10 A |
| Electrical Isolation | 500 V (power contact/supply/fieldbus) |
| Dimensions (W × H × D) | 51 × 100 × 69 mm |
| Approvals / Markings | CE, CCC, UL, ATEX, IECEx, DNV |
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